FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
7.5
Inverter Parameter Reading Instruction (PLCInverter) [EXTR K12]
This instruction reads a parameter of an inverter to the PLC.
7.5.1
Function and operation
When a parameter number of an inverter is specified in EXTR instruction, the value of the parameter in the
inverter is read to
1. Applicable devices
Operand
type
X
Y
S
S
1
S
2
D
2. Program example
M0
FNC180
Command
contact
Function number: K12
Inverter station number: 0 to 31
7.5.2
Inverter parameter number
Refer to related data shown later.
7.5.3
Program example of "second parameter specification code"
In the program example shown below, the parameter number 201 (frequency: 201, time: 1201, motor rotation
direction: 2201) is read from the A500 inverter whose station number is 6.
Read devices: D100 = Motor rotation direction, D101 = Frequency, D102 = Time
X001
Read
command
M0
FNC180
Drive
contact
Function number
Inverter station number:
FNC180
FNC180
M8029
Execution complete flag
.
D
Bit device
System/User
Digit specification
M
T
C
S KnX KnY KnM KnS T
S
S
1
K12
K6
EXTR
S
S
1
K12
K6
EXTR
0 to 31
K12
K6
EXTR
K12
K6
EXTR
7.5 Inverter Parameter Reading Instruction (PLC Inverter) [EXTR K12]
Word device
System/
User
C
D
V
S
D
2
K7
D150
Read value storage destination
Inverter parameter number (decimal)
SET
M0
S
S
2
3
K2201
D100
Motor rotation directionD100
Read value storage destination
Inverter parameter number (decimal)
FrequencyD101
K201
D101
TimeD102
K1201
D102
The unit is specified by Pr. 200.
RST
M0
7 Creating Programs (FX2N, FX2NC)
Others
Index
Constant Pointer
Z
Modification
K
H
A
B
C
P
D
E
F
G
H
I
Apx.A
E-83